haskell.lib.compose.triggerRebuild: don't discard old postUnpack

2023-12-14 19:01:34 +01:00
parent f061cfd767
commit 43b6f6d3c6
1 changed files with 6 additions and 1 deletions
@@ -354,7 +354,12 @@ rec {
  /* Add a dummy command to trigger a build despite an equivalent
     earlier build that is present in the store or cache.
   */
-  triggerRebuild = i: overrideCabal (drv: { postUnpack = ": trigger rebuild ${toString i}"; });
+  triggerRebuild = i: overrideCabal (drv: {
+    postUnpack = drv.postUnpack or "" + ''
+
+      # trigger rebuild ${toString i}
+    '';
+  });

  /* Override the sources for the package and optionally the version.
     This also takes of removing editedCabalFile.